Home / 386,743.84-579,522.33-161,981.26

Finding the Fourth Proportional to 386,743.84, 579,522.33 and 161,981.26

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Solution

The fourth proportional to 386,743.84, 579,522.33 and 161,981.26 is: 242,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,743.84 : 579,522.33 = 161,981.26 : x
  2. Step 2: Convert to fraction form
    386,743.84/579,522.33 = 161,981.26/x
  3. Step 3: Cross multiply
    386,743.84x = 579,522.33 × 161,981.26
  4. Step 4: Simplify right side
    386,743.84x = 93,871,755,762.73
  5. Step 5: Solve for x
    x = 93,871,755,762.73/386,743.84
  6. Step 6: Final answer
    x = 242,723.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.